Boeing 747-400

The Boeing 747-400 first flew on April 29 1988.
Developed from the Boeing 747-300, include a new, two crew digital flight deck with six large CRT displays, an increased span wing with winglets.

It also have got new engines, recontoured wing/fuselage fairing, a new interior, lower basic but increased max takeoff weights, and greater range.

The 747-400ER

The -400ER has the same size as the -400, but has more range or payload capability.

The MTOW was increased by 15,870kg (35,000lb) to 412,770kg (910,000lb), giving a further range of 805km (435nm) or a 6800kg (15,000lb) greater payload.

The -400ER also features a new cabin interior with larger luggage bins, and several flight deck improvements.

The -400ER incorporates the strengthened wing, body, and landing gear of the -400F, plus an auxiliary fuel tank in the forward cargo hold, and an optional second one.

The first 747-400ER was rolled out in June 2002, and flew for the first time on July 31, 2002.

Performance

747-400 -
Max cruising speed 939 km/h (507kt)
Long range cruising speed 907 km/h (490kt).

Range with 420 three class pax at 396,895 kg (875,000lb) MTOW:
13,491 km (7284 nm).
Range with PW-4000s, 13,444 km (7259 nm).
Range with GEs, 13,214 km (7135 nm) with RB-211s.

747-400ER - Range at MTOW 14,205 km (7670 nm).
747-400ERF - Range at MTOW 9200 km (4970 nm).

Dimensions

Wing span 64.44 m
Length 70.67 m
Height 19.41 m
Wing area 541.2 m2

Capacity

747-400 - Flightcrew of two.

Typical three class seating for 416 (23 first, 78 business and 315 economy class pax). Cargo hold 170.5 m3 or 151 m3.

747-400ER - Same as -400, but cargo hold 158.6 m3 or 137 m3.

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